Studies Showed That Those Who Can Delay Gratification as Children

Studies showed that those who can delay gratification as children turn to adults who

A) had better grades, made more money, and showed greater psychological well-being.
B) had lower grades, made less money, and showed poor psychological well-being.
C) had mediocre grades, made adequate money, and showed deficient psychological well-being.
D) had average grades, made adequate money, and showed poor psychological well-being.